Zagury, a managing director who joined Merrill Lynch from Goldman Sachs Group Inc. about five years ago, was in charge of creating customized derivatives for Merrill’s so-called ultra high-net worth clients, according to its website. Before Goldman Sachs, he worked for Safra National Bank.

Dobbs, 48, started working at BlueCrest, a London-based hedge fund with $34bn of assets, this month, according to a filing published last week by the U.K.’s Companies House. He traded convertible bonds at a Citigroup hedge fund before joining London-based CQS.